Reliability of the Short Form of Betts' Questionnaire on Mental Imagery: Replication

Abstract
The short form of the Betts QMI vividness of imagery scale had a test-retest reliability of .91, higher than that previously reported. The correlation matrix led to the conclusions that the scale is reliable over a 6-wk. period, the over-all score is more reliable than any of the individual modality scores, tactile imagery ratings are reliable, and both visual and organic sections need to be revised.

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